:root {
    --color-neon: #0ab4ff;
    --color-blue-tech: #113248;
    --color-blue-night: #0b1d2a;
    --color-metal: #a8b0b8;
    --color-white: #ffffff;

    --shadow-neon: 0 0 8px rgba(10, 180, 255, 0.6);
    --shadow-button: 0 0 14px rgba(10, 180, 255, 0.7);

    --radius-card: 12px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: "Montserrat", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
        sans-serif;
    background-color: var(--color-blue-night);
    color: var(--color-white);
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
}

.section {
    padding: 80px 0;
}

.section-light {
    background: #102331;
}

.section-dark {
    background: #081521;
}

.section-cta {
    background: var(--color-blue-tech);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(8, 21, 33, 0.96);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-img {
    height: 52px;
    width: auto;
    display: block;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 20px;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 20px;
}

.main-nav a {
    color: var(--color-white);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
}

.main-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 0;
    height: 2px;
    background: var(--color-neon);
    transition: width 0.2s ease;
}

.main-nav a:hover::after {
    width: 100%;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
    padding: 0.9rem 1.8rem;
}

.btn-small {
    padding: 0.55rem 1.4rem;
    font-size: 0.88rem;
}

.btn-primary {
    background: var(--color-neon);
    color: #001018;
    box-shadow: var(--shadow-button);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 0 18px rgba(10, 180, 255, 0.9);
}

.btn-outline {
    background: transparent;
    color: var(--color-neon);
    border: 1px solid var(--color-neon);
    box-shadow: var(--shadow-neon);
}

.btn-outline:hover {
    background: rgba(10, 180, 255, 0.12);
}

.hero {
    padding-top: 100px;
    padding-bottom: 80px;
    background: radial-gradient(circle at top left, #14415d 0, #0b1d2a 45%, #050a10 100%);
}

.hero-inner {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.hero-text h1 {
    font-size: 2.4rem;
    line-height: 1.2;
    margin-bottom: 18px;
}

.hero-subtitle {
    font-size: 1.05rem;
    max-width: 480px;
    margin-bottom: 24px;
    color: var(--color-metal);
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.hero-visual {
    display: flex;
    justify-content: center;
}

.hero-logo-card {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 24px;
    padding: 24px;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.hero-logo-card img {
    display: block;
    max-width: 260px;
    height: auto;
    filter: drop-shadow(0 0 16px rgba(10, 180, 255, 0.8));
}

.section-header {
    text-align: center;
    margin-bottom: 36px;
}

.section-header h2 {
    font-size: 2rem;
    margin-bottom: 8px;
}

.section-header p {
    color: var(--color-metal);
    max-width: 620px;
    margin: 0 auto;
}

.chi-siamo-content {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.pillars-list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 8px;
}

.pillars-list li {
    background: rgba(0, 0, 0, 0.25);
    border-radius: 999px;
    padding: 6px 14px;
    font-size: 0.9rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
}

.service-card {
    background: rgba(0, 0, 0, 0.25);
    border-radius: var(--radius-card);
    padding: 18px 18px 20px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 14px 26px rgba(0, 0, 0, 0.5);
}

.service-card h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--color-neon);
}

.service-card p {
    font-size: 0.95rem;
    color: var(--color-metal);
}

.gallery-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
}

.gallery-item {
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-card);
    padding: 10px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.gallery-img-placeholder {
    background: radial-gradient(circle at top, #1e5674, #0b1d2a);
    border-radius: 8px;
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.gallery-caption {
    margin-top: 8px;
    font-size: 0.9rem;
}

.reviews-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
}

.review-card {
    background: rgba(0, 0, 0, 0.25);
    border-radius: var(--radius-card);
    padding: 18px;
    border-left: 3px solid var(--color-neon);
}

.review-text {
    font-size: 0.95rem;
    margin-bottom: 8px;
}

.review-author {
    font-size: 0.9rem;
    color: var(--color-metal);
}

.cta-inner {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: flex-start;
}

.cta-text h2 {
    font-size: 1.7rem;
    margin-bottom: 6px;
}

.cta-text p {
    color: var(--color-metal);
}

.contacts-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.contacts-info p {
    margin-bottom: 6px;
}

.map-placeholder {
    background: radial-gradient(circle at top, #1e5674, #0b1d2a);
    border-radius: var(--radius-card);
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.site-footer {
    background: #050a10;
    padding: 18px 0 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-inner {
    text-align: center;
}

.footer-small {
    font-size: 0.85rem;
    color: var(--color-metal);
}

@media (min-width: 768px) {
    .hero-inner {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }

    .hero-text {
        flex: 1;
    }

    .hero-visual {
        flex: 1;
        justify-content: flex-end;
    }

    .services-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .gallery-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .reviews-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .cta-inner {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }

    .contacts-grid {
        grid-template-columns: 1.1fr 1fr;
        align-items: start;
    }
}

@media (min-width: 1024px) {
    .hero-text h1 {
        font-size: 2.8rem;
    }
}
/* FORM PREVENTIVI */
.preventivi-form {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.form-field label {
    font-size: 0.9rem;
    font-weight: 500;
}

.form-field input,
.form-field select,
.form-field textarea {
    width: 100%;
    padding: 10px 12px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    background: rgba(0, 0, 0, 0.25);
    color: var(--color-white);
    font: inherit;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.form-field textarea {
    min-height: 140px;
    resize: vertical;
}

/* Form responsive: due colonne su schermi più larghi */
@media (min-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr 1fr;
    }
}